search query: @author Zhang, Qunqun / total: 4
references: 3-4 / 4
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title | year | author | ||
3. |
Commercial Economy and Management (c)
1996 : 1, p.50-52 |
1996 | Tao, Bei Zhang, Qunqun |
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4. |
China National Conditions and Power Monthly (c)
1994 : 3, p.43 |
1994 | Zhang, Qunqun |
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